Passenger safety device for a vehicle

Abstract

A passenger safety device in which an airbag is disposed in the roof area of the vehicle, especially in the area of the roof rail of the vehicle, and in which the airbag of the airbag is stowed at least partially rolled up in the passenger safety device.

1. A passenger safety device for a vehicle comprising:
 an airbag stored in an at least partially rolled up condition in an area of a roof rail of the vehicle, 
 wherein the airbag is configured to inflate in the case of an accident by a gas generator of the passenger safety device so that the airbag deploys in the area between the head of the passenger and a lateral wall of the vehicle and protects the head of the passenger against colliding with the lateral wall, 
 wherein at least a portion of the airbag is rolled up in a prescribed winding direction to form an airbag roll arranged so that the side of the airbag configured to face the passenger after deployment of the airbag faces outward in the roll and the side of the airbag configured to face the lateral wall after deployment of the airbag faces inward in the roll, and 
 wherein the winding direction of the airbag in the airbag roll is reversed at least once to thereby form of an inner first airbag roll which is rolled up in an outer second airbag roll of the opposite rolling direction. 
 
     
     
       2. The device of  claim 1 , wherein the airbag is rolled up so that the airbag roll unrolls and deploys at a level in the vicinity of a head of a passenger. 
     
     
       3. The device of  claim 1 , wherein the inner airbag roll has the prescribed rolling direction and is arranged such that, when the airbag is inflated, it unrolls in an area at the level in the vicinity of the head of the passenger. 
     
     
       4. The device of  claim 1 , wherein the outer airbag roll has the prescribed rolling direction and is arranged such that upon the inflation of the airbag it unrolls in an area at the level in the vicinity of the head of the passenger. 
     
     
       5. The device of  claim 1 , wherein a module sheath surrounds the airbag. 
     
     
       6. The device of  claim 1 , further comprising:
 a gas distributing device located between the airbag and the gas generator to thereby ensure uniform distribution of gas into the airbag. 
 
     
     
       7. The device of  claim 6 , wherein the gas distributing device includes a fill tube or a fill hose. 
     
     
       8. The device of  claim 1 , wherein the lateral wall includes a side window of the vehicle. 
     
     
       9. An airbag that is configured to be stored in an at least partially rolled up condition in an area of a roof rail of a vehicle,
 wherein the airbag is configured to inflate in the case of an accident by a gas generator so that the airbag deploys in the area between the head of a passenger and a lateral wall of the vehicle and protects the head of the passenger against colliding with the lateral wall, 
 wherein at least a portion of the airbag is rolled up in a prescribed winding direction to form an airbag roll arranged so that the side of the airbag configured to face the passenger after deployment of the airbag faces outward in the roll and the side of the airbag configured to face the lateral wall after deployment of the airbag faces inward in the roll, and 
 wherein the winding direction of the airbag in the airbag roll is reversed at least once to thereby form of an inner first airbag roll which is rolled up in an outer second airbag roll of the opposite rolling direction. 
 
     
     
       10. The airbag of  claim 9 , wherein the airbag is rolled up so that the airbag roll unrolls and deploys at a level in the vicinity of a head of a passenger. 
     
     
       11. The airbag of  claim 9 , wherein the lateral wall includes a side window of the vehicle. 
     
     
       12. The airbag of  claim 9 , wherein the inner airbag roll has the prescribed rolling direction and is arranged such that, when the airbag is inflated, it unrolls in an area at the level in the vicinity of the head of the passenger. 
     
     
       13. The airbag of  claim 9 , wherein the outer airbag roll has the prescribed rolling direction and is arranged such that upon the inflation of the airbag it unrolls in an area at the level in the vicinity of the head of the passenger. 
     
     
       14. The airbag of  claim 9 , wherein a module sheath surrounds the airbag. 
     
     
       15. The airbag of  claim 9 , further comprising:
 a gas distributing device located between the airbag and the gas generator to thereby ensure uniform distribution of gas into the airbag. 
 
     
     
       16. The airbag of  claim 15 , wherein the gas distributing device includes a fill tube or a fill hose. 
     
     
       17. An airbag that is configured to be stored in an at least partially rolled up condition in an area of a roof rail of a vehicle,
 wherein the airbag is configured to inflate in the case of an accident by a gas generator so that the airbag deploys in the area between the head of a passenger and a lateral wall of the vehicle and protects the head of the passenger against colliding with the lateral wall, 
 wherein at least a portion of the airbag is rolled up in a prescribed winding direction to form an airbag roll arranged so that the side of the airbag configured to face the passenger after deployment of the airbag faces outward in the roll and the side of the airbag configured to face the lateral wall after deployment of the airbag faces inward in the roll, and 
 wherein the airbag has an accordion folded portion, and 
 wherein said airbag roll forms an outer airbag roll that contains the accordion folded portion. 
 
     
     
       18. The airbag of  claim 17 , wherein the airbag is rolled up so that the airbag roll unrolls and deploys at a level in the vicinity of a head of a passenger. 
     
     
       19. The airbag of  claim 17 , wherein the lateral wall includes a side window of the vehicle. 
     
     
       20. The airbag of  claim 17 , wherein a module sheath surrounds the airbag.